Hand sanitizer is ordinarily considered a medical product, and is subject to FDA controls. (Medical grade in this context means United States Pharmacoepia [USP]) The requirements for anything put into a medical product are stricter than those for food and drink. That doesn’t mean that it’s any cleaner per se. The link below describes the situation from last month, since then the FDA has temporarily relaxed the regulations to allow compounding of sanitizer using other grades of ethanol.
https://www.google.com/amp/s/cbs2iowa.com/amp/news/local/eth...